August weather forecast
Sydney, Australia

The landmarks of the city of Sydney, Australia
The landmarks of the city of Sydney, Australia

Weather in August

August, the last month of the winter in Sydney, is also an enjoyable month, with an average temperature varying between 17.8°C (64°F) and 9°C (48.2°F).

Temperature

In August, the average high-temperature is almost the same as in July - a still comfortable 17.8°C (64°F). The average low-temperature, in August, is 9°C (48.2°F).

Humidity

With an average relative humidity of 49%, August is the least humid month in Sydney, Australia.

Rainfall

In Sydney, during August, the rain falls for 10.4 days and regularly aggregates up to 80mm (3.15") of precipitation. Throughout the year, there are 143.4 rainfall days, and 1212mm (47.72") of precipitation is accumulated.

Sea temperature

In August, the average sea temperature is 18.8°C (65.8°F).
Note: For swimming, a surface water temperature of 18.8°C (65.8°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

The average length of the day in August is 10h and 53min.
On the first day of August, sunrise is at 6:47 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 5:36 pm AEST.

Sunshine

August through October and December, with an average of 7.9h of sunshine, are months with the most sunshine.

UV index

In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 4 in August transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Sydney?

In Sydney, in August, the average high-temperature is 17.8°C (64°F), and the average low-temperature is 9°C (48.2°F).

What is the least humid month in Sydney?

The least humid month in Sydney, Australia, is August, with an average relative humidity of 49%.

What is the average humidity in August in Sydney?

In August, the average relative humidity is 49%.

How much does it rain in Sydney in August?

In Sydney, Australia, in August, during 10.4 rainfall days, 80mm (3.15") of precipitation is typically accumulated.

What is the sea water temperature in August in Sydney?

In August, the average sea temperature in Sydney is 18.8°C (65.8°F). For swimming, a surface water temperature of 18.8°C (65.8°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the average length of the day in August in Sydney?

In Sydney, Australia, the average day length in August is 10h and 53min.

When is the sunrise / sunset in August in Sydney?

In August, on the first day of the month, sunrise is at 6:47 am and sunset at 5:15 pm. On the last day of the month, in Sydney, Australia, sunrise is at 6:15 am and sunset at 5:36 pm AEST.

What are the months with the most sunshine in Sydney?

The months with the most sunshine in Sydney are August through October and December, with an average of 7.9h of sunshine.

How long on average sun shines in August in Sydney?

The average sunshine duration in August in Sydney, Australia, is 7.9h.

How high is the UV index in August in Sydney?

In Sydney, Australia, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine
Average UV index

Average temperature in August
Sydney, Australia

Average temperature in August - Sydney, Australia
  • Average high temperature in August: 17.8°C

The warmest month (with the highest average high temperature) is January (25.9°C).
The month with the lowest average high temperature is July (16.3°C).

  • Average low temperature in August: 9°C

The month with the highest average low temperature is February (18.8°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).

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Average humidity in August
Sydney, Australia

Average humidity in August - Sydney, Australia
  • Average humidity in August: 49%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (49%).

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Average rainfall in August
Sydney, Australia

Average rainfall in August - Sydney, Australia
  • Average rainfall in August: 79.8mm

The wettest month (with the highest rainfall) is June (131.9mm).
The driest month (with the least rainfall) is September (68.3mm).

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Average rainfall days in August
Sydney, Australia

Average rainfall days in August - Sydney, Australia
  • Average rainfall days in August: 10.4 days

The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (10.4 days).

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Average sea temperature in August
Sydney, Australia

Average sea temperature in August - Sydney, Australia
  • Average sea temperature in August: 18.8°C

The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).

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Average daylight in August /
Average sunshine in August
Sydney, Australia

Average daylight in August / Average sunshine in August - Sydney, Australia
  • Average daylight in August: 10h and 53min

The month with the longest days is December (Average daylight: 14h and 22min).
The month with the shortest days is June (Average daylight: 9h and 56min).

  • Average sunshine in August: 7h and 54min

The months with the most sunshine are August, September, October and December (Average sunshine: 7h and 54min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

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Average UV index in August
Sydney, Australia

Average UV index in August - Sydney, Australia
  • Average UV index in August: 4

The months with the highest UV index are January and December (UV index 12).
The month with the lowest UV index is June (UV index 2).

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